scripts/get_maintainer.pl: fix mailmap handling
Implement it, like it is described in git-shortlog.
Signed-off-by: Florian Mickler <florian@mickler.org>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 61d3bb5..faeace4 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -295,31 +295,76 @@
}
close($maint);
-my %mailmap;
-if ($email_remove_duplicates) {
- open(my $mailmap, '<', "${lk_path}.mailmap")
+#
+# Read mail address map
+#
+
+my $mailmap = read_mailmap();
+
+sub read_mailmap {
+ my $mailmap = {
+ names => {},
+ addresses => {}
+ };
+
+ if (!$email_remove_duplicates) {
+ return $mailmap;
+ }
+
+ open(my $mailmap_file, '<', "${lk_path}.mailmap")
or warn "$P: Can't open .mailmap: $!\n";
- while (<$mailmap>) {
- my $line = $_;
- next if ($line =~ m/^\s*#/);
- next if ($line =~ m/^\s*$/);
+ while (<$mailmap_file>) {
+ s/#.*$//; #strip comments
+ s/^\s+|\s+$//g; #trim
- my ($name, $address) = parse_email($line);
- $line = format_email($name, $address, $email_usename);
+ next if (/^\s*$/); #skip empty lines
+ #entries have one of the following formats:
+ # name1 <mail1>
+ # <mail1> <mail2>
+ # name1 <mail1> <mail2>
+ # name1 <mail1> name2 <mail2>
+ # (see man git-shortlog)
+ if (/^(.+)<(.+)>$/) {
+ my $real_name = $1;
+ my $address = $2;
- next if ($line =~ m/^\s*$/);
+ $real_name =~ s/\s+$//;
+ $mailmap->{names}->{$address} = $real_name;
- if (exists($mailmap{$name})) {
- my $obj = $mailmap{$name};
- push(@$obj, $address);
- } else {
- my @arr = ($address);
- $mailmap{$name} = \@arr;
+ } elsif (/^<([^\s]+)>\s*<([^\s]+)>$/) {
+ my $real_address = $1;
+ my $wrong_address = $2;
+
+ $mailmap->{addresses}->{$wrong_address} = $real_address;
+
+ } elsif (/^(.+)<([^\s]+)>\s*<([^\s]+)>$/) {
+ my $real_name= $1;
+ my $real_address = $2;
+ my $wrong_address = $3;
+
+ $real_name =~ s/\s+$//;
+
+ $mailmap->{names}->{$wrong_address} = $real_name;
+ $mailmap->{addresses}->{$wrong_address} = $real_address;
+
+ } elsif (/^(.+)<([^\s]+)>\s*([^\s].*)<([^\s]+)>$/) {
+ my $real_name = $1;
+ my $real_address = $2;
+ my $wrong_name = $3;
+ my $wrong_address = $4;
+
+ $real_name =~ s/\s+$//;
+ $wrong_name =~ s/\s+$//;
+
+ $mailmap->{names}->{format_email($wrong_name,$wrong_address,1)} = $real_name;
+ $mailmap->{addresses}->{format_email($wrong_name,$wrong_address,1)} = $real_address;
}
}
- close($mailmap);
+ close($mailmap_file);
+
+ return $mailmap;
}
## use the filenames on the command line or find the filenames in the patchfiles
@@ -1061,30 +1106,58 @@
return "";
}
-sub mailmap {
- my (@lines) = @_;
- my %hash;
+sub mailmap_email {
+ my $line = shift;
- foreach my $line (@lines) {
my ($name, $address) = parse_email($line);
- if (!exists($hash{$name})) {
- $hash{$name} = $address;
- } elsif ($address ne $hash{$name}) {
- $address = $hash{$name};
- $line = format_email($name, $address, $email_usename);
- }
- if (exists($mailmap{$name})) {
- my $obj = $mailmap{$name};
- foreach my $map_address (@$obj) {
- if (($map_address eq $address) &&
- ($map_address ne $hash{$name})) {
- $line = format_email($name, $hash{$name}, $email_usename);
+ my $email = format_email($name, $address, 1);
+ my $real_name = $name;
+ my $real_address = $address;
+
+ if (exists $mailmap->{names}->{$email} || exists $mailmap->{addresses}->{$email}) {
+ if (exists $mailmap->{names}->{$email}) {
+ $real_name = $mailmap->{names}->{$email};
}
- }
+ if (exists $mailmap->{addresses}->{$email}) {
+ $real_address = $mailmap->{addresses}->{$email};
+ }
+ } else {
+ if (exists $mailmap->{names}->{$address}) {
+ $real_name = $mailmap->{names}->{$address};
+ }
+ if (exists $mailmap->{addresses}->{$address}) {
+ $real_address = $mailmap->{addresses}->{$address};
+ }
}
+ return format_email($real_name, $real_address, 1);
+}
+
+sub mailmap {
+ my (@addresses) = @_;
+
+ my @ret = ();
+ foreach my $line (@addresses) {
+ push(@ret, mailmap_email($line), 1);
}
- return @lines;
+ merge_by_realname(@ret) if $email_remove_duplicates;
+
+ return @ret;
+}
+
+sub merge_by_realname {
+ my %address_map;
+ my (@emails) = @_;
+ foreach my $email (@emails) {
+ my ($name, $address) = parse_email($email);
+ if (!exists $address_map{$name}) {
+ $address_map{$name} = $address;
+ } else {
+ $address = $address_map{$name};
+ $email = format_email($name,$address,1);
+ }
+ }
+
}
sub git_execute_cmd {
@@ -1636,9 +1709,7 @@
$divisor = 1;
}
- if ($email_remove_duplicates) {
- @lines = mailmap(@lines);
- }
+ @lines = mailmap(@lines);
return if (@lines <= 0);